4027039969 has 4 divisors (see below), whose sum is σ = 4030939396. Its totient is φ = 4023140544.

The previous prime is 4027039921. The next prime is 4027039979. The reversal of 4027039969 is 9699307204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3760142400 + 266897569 = 61320^2 + 16337^2 .

It is a cyclic number.

It is not a de Polignac number, because 4027039969 - 2¹¹ = 4027037921 is a prime.

It is a super-2 number, since 2×4027039969² = 32434101823847041922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4027039979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948164 + ... + 1950229.

It is an arithmetic number, because the mean of its divisors is an integer number (1007734849).

Almost surely, 2^4027039969 is an apocalyptic number.

It is an amenable number.

4027039969 is a deficient number, since it is larger than the sum of its proper divisors (3899427).

4027039969 is a wasteful number, since it uses less digits than its factorization.

4027039969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899426.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 4027039969 is about 63458.9628736556. The cubic root of 4027039969 is about 1590.9699616773.

The spelling of 4027039969 in words is "four billion, twenty-seven million, thirty-nine thousand, nine hundred sixty-nine".